.ot-wrap * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.ot-wrap body {
    font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
    background: #fff;
    color: #333;
    line-height: 1.6;
}
.ot-container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部 Header */
.ot-header {
    background: #ffffff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 999;
}
.ot-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.ot-logo {
    font-size: 24px;
    font-weight: 700;
    color: #111;
    text-decoration: none;
}
.ot-nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}
.ot-nav a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: 0.2s;
}
.ot-nav a:hover {
    color: #0066cc;
}

/* 首页Hero */
.ot-hero {
    background: #f7f8fa;
    padding: 70px 0;
    text-align: center;
}
.ot-hero h1 {
    font-size: 36px;
    color: #111;
    margin-bottom: 15px;
}
.ot-hero p {
    font-size: 18px;
    color: #555;
    margin-bottom: 30px;
}
.ot-btn {
    display: inline-block;
    padding: 12px 26px;
    background: #0066cc;
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
}
.ot-btn:hover {
    background: #0052a3;
}

/* 工具网格 */
.ot-tools-section {
    padding: 60px 0;
}
.ot-section-title {
    text-align: center;
    font-size: 28px;
    margin-bottom: 45px;
    color: #111;
}
.ot-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px;
}
.ot-tool-card {
    background: #fff;
    padding: 22px 15px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.ot-tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.ot-tool-icon {
    font-size: 30px;
    color: #0066cc;
    margin-bottom: 12px;
}
.ot-tool-name {
    font-size: 15px;
    color: #333;
}

/* 特色板块 */
.ot-feature-row {
    background: #f7f8fa;
    padding: 60px 0;
}
.ot-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
    gap: 35px;
    text-align: center;
}
.ot-feature-item h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: #111;
}
.ot-feature-item p {
    color: #555;
}

/* 用户评价 */
.ot-testimonials {
    padding: 60px 0;
}
.ot-testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
    gap: 25px;
}
.ot-testimonial-card {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.ot-stars {
    color: #f59e0b;
    margin-bottom: 12px;
}
.ot-testimonial-card p {
    color: #555;
    margin-bottom: 15px;
}
.ot-author {
    font-weight: 600;
    color: #222;
}

/* 列表页头部 */
.ot-archive-header {
    background: #f7f8fa;
    padding: 50px 0;
    text-align: center;
}
.ot-archive-header h1 {
    font-size: 32px;
    margin-bottom: 10px;
}
.ot-archive-header p {
    color: #555;
}

/* 详情页 */
.ot-single-header {
    background: #f7f8fa;
    padding: 50px 0;
    text-align: center;
}
.ot-single-content {
    padding: 60px 0;
    max-width: 800px;
    margin: 0 auto;
}

/* 页脚 */
.ot-footer {
    background: #1a1a1a;
    color: #ccc;
    padding: 50px 0 20px;
}
.ot-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
    gap: 30px;
    margin-bottom: 40px;
}
.ot-footer-col h4 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 20px;
}
.ot-footer-col ul {
    list-style: none;
}
.ot-footer-col li {
    margin-bottom: 10px;
}
.ot-footer-col a {
    color: #aaa;
    text-decoration: none;
}
.ot-footer-col a:hover {
    color: #fff;
}
.ot-copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    color: #888;
    font-size: 14px;
}

/* 响应式适配 */
@media (max-width:768px){
    .ot-header-inner {
        flex-direction: column;
        gap:15px;
    }
    .ot-nav ul {
        gap:15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .ot-hero h1 {
        font-size: 28px;
    }
}